Police are searching for a Waikoloa teenager who was last seen at his home on February 22nd and may be in the Kona, H&#257;m&#257;kua, South Kohala or Puna district. 17-year old Matthew Campbell is 5-foot-10, 150 pounds with brown hair, brown eyes and a fair complexion. If you have any information on his whereabouts, call the Police non-emergency number at 935-3311.